Re: [Discuss-gnuradio] GNURadio CMake module/files for Google Protocol Buffers file generation?

[Andy Walls]

On Sun, 2015-07-26 at 12:00 -0400, address@hidden
wrote:
> Message: 8
> Date: Sun, 26 Jul 2015 15:13:07 +0200
> From: Marcus M?ller <address@hidden>
> To: address@hidden
> Subject: Re: [Discuss-gnuradio] GNURadio CMake module/files for Google
>         Protocol Buffers file generation?

> Hi Andy,
> 
> without knowing for sure, I'd assume there'd be a bit of reinventing 
> wheels that will be unavoidable.
> 
> However, CMake does distribute a FindProtobuf.cmake [1], which 
> conveniently contains a command
> 
> protobuf_generate_cpp (<SRCS> <HDRS> [<ARGN>...])
> 
> 
> Now, I'd say you'd just do the same as for the source files in 
> lib/CMakeLists.txt, i.e. add a list variable that contains your proto 
> files, like
> 
> 
> list(APPEND gr_andys_module_proto_defs
> bufdef1.proto
> bufdef2.proto
> )
> 
> and then
> 
> protobuf_generate_cpp(PROTO_SRCS  PROTO_HDRS
> ${gr_andys_module_proto_defs})
> 
> and where you define the sources of your module, have that include 
> ${PROTO_SRCS}.
> 
> 
> You might run into some include path strangenesses, and I've found
> that 
> adding ${CMAKE_BINARY_DIR}/lib (or similar) to the
> include_directories() 
> directive might help
> 
> Cheers,
> Marcus
> 
> [1]
> http://www.cmake.org/cmake/help/git-master/module/FindProtobuf.html


Thanks, Marcus!

That ia the sort of running start I was looking for.

R,
Andy

> On 26.07.2015 14:57, Andy Walls wrote:
> > Hi:
> >
> > Can anyone point me to a CMake module or files that call the Google
> > Protocol Buffers compiler to generate *.pb.h and *.pb.cc before
> building
> > object files?
> >
> > Something already integrated with the GNURadio build system would be
> > ideal.
> >
> > I don't want to reinvent the wheel.  Thanks.
> >
> > Regards,
> > Andy
> >